Message type: E = Error
Message class:  CMMFSA_SUB_ACCOUNT - Commodity Derivative Order & Trade Execution : Sub Account 
Message number: 120
Message text: No derivation mode found
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The SAP error message CMMFSA_SUB_ACCOUNT120: No derivation mode found typically occurs in the context of the SAP Controlling (CO) module, particularly when dealing with the derivation of sub-accounts in the context of financial transactions or reporting.
Cause: This error usually arises due to one of the following reasons: Missing Derivation Rules: The system does not have any defined derivation rules for the specific account or transaction type you are trying to process. This means that the system does not know how to derive the sub-account from the main account.
Configuration Issues: There may be a misconfiguration in the settings related to account determination or derivation strategy in the SAP system. Master Data Issues: The master data for the accounts involved may not be set up correctly, leading to the inability to derive the necessary sub-account. Transaction Type Not Supported: The transaction type you are trying to execute may not be supported by the existing derivation rules.
Solution: To
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